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116 lines
2.6 KiB
C++
116 lines
2.6 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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Copyright (C) 2016 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: dmlparser.h 9210 2013-01-21 14:10:42Z rdempsey $
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*
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*
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***********************************************************************/
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/** @file */
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#pragma once
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#include <stdexcept>
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#include "dmlpkg.h"
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namespace dmlpackage
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{
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typedef std::vector<char*> valbuf_t;
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typedef SqlStatementList ParseTree;
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// instance data for the parser
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typedef std::vector<char*> valbuf_t;
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struct scan_data
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{
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/* Handles to the buffer that the lexer uses internally */
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char* scanbuf;
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void* scanbufhandle; // This is a YY_BUFFER_STATE defined in ddl-scan.cpp
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valbuf_t valbuf;
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};
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/** @brief BISON parser wrapper class
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*/
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class DMLParser
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{
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public:
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/** @brief ctor
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*/
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DMLParser();
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/** @brief dtor
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*/
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virtual ~DMLParser();
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/** @brief parse the supplied dml statement
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*
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* @param dmltext the dml statement to parse
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*/
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int parse(const char* dmltext);
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/** @brief get the parse tree
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*/
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const ParseTree& getParseTree();
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void setDefaultSchema(std::string schema);
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/** @brief was the parse successful
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*/
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bool good();
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/** @brief put the parser in debug mode so as to dump
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* diagnostic information
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*/
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void setDebug(bool debug);
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protected:
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ParseTree fParseTree;
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int fStatus;
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bool fDebug;
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void* scanner; // yyscan_t * needed for re-entrant flex scanner
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scan_data scanData;
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private:
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};
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/** @brief specialization of the DMLParser class
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* specifically for reading the dml statement
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* from a file
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*/
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class DMLFileParser : public DMLParser
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{
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public:
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/** @brief ctor
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*/
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DMLFileParser();
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/** @brief parse the dml statement contained in the
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* supplied file
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*
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* @param fileName the fully qualified file name to open
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* and parse the contents of
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*/
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int parse(const std::string& fileName);
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protected:
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private:
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};
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} // namespace dmlpackage
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